[PATCH 03/14] drbd: remove RB_CONGESTED_REMOTE

[Christoph Hellwig]

This case isn't ever used.

Signed-off-by: Christoph Hellwig <h...@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumsh...@wdc.com>
---
 drivers/block/drbd/drbd_req.c | 4 ----
 include/linux/drbd.h          | 1 -
 2 files changed, 5 deletions(-)

diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 674be09b2da94a..4d944f2eb56efa 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -901,13 +901,9 @@ static bool drbd_may_do_local_read(struct drbd_device 
*device, sector_t sector,
 static bool remote_due_to_read_balancing(struct drbd_device *device, sector_t 
sector,
                enum drbd_read_balancing rbm)
 {
-       struct backing_dev_info *bdi;
        int stripe_shift;
 
        switch (rbm) {
-       case RB_CONGESTED_REMOTE:
-               bdi = 
device->ldev->backing_bdev->bd_disk->queue->backing_dev_info;
-               return bdi_read_congested(bdi);
        case RB_LEAST_PENDING:
                return atomic_read(&device->local_cnt) >
                        atomic_read(&device->ap_pending_cnt) + 
atomic_read(&device->rs_pending_cnt);
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 5755537b51b114..6a8286132751df 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -94,7 +94,6 @@ enum drbd_read_balancing {
        RB_PREFER_REMOTE,
        RB_ROUND_ROBIN,
        RB_LEAST_PENDING,
-       RB_CONGESTED_REMOTE,
        RB_32K_STRIPING,
        RB_64K_STRIPING,
        RB_128K_STRIPING,
-- 
2.27.0